Function TestAlertControlAlertState

widgets/spectrum/alertcontrol_test.go:136–173

TestAlertControlAlertState verifies banner visibility follows samples and focus.

(t *testing.T)

// TestAlertControlAlertState verifies banner visibility follows samples and focus.
func TestAlertControlAlertState(t *testing.T) {
	control, err := NewAlertControl(200, 600, 50, 500, nil)
	if err != nil {
		t.Fatalf("NewAlertControl => unexpected error: %v", err)
	}

	layout := control.layout(image.Rect(2, 2, 98, 18), "PING LATTICE")
	if !control.HandleMouse(layout.checkbox.Min, image.Rect(2, 2, 98, 18), "PING LATTICE") {
		t.Fatal("HandleMouse checkbox => false, want true")
	}

	control.UpdateSamples([]int{100, 200, 550})
	if got := control.AlertMessage(); !strings.Contains(got, "Warning: data exceeds 500 threshold") {
		t.Fatalf("AlertMessage = %q, want warning banner", got)
	}

	ft := faketerm.MustNew(image.Point{X: 100, Y: 32})
	pane := image.Rect(0, 10, 100, 32)
	if err := control.DrawAlert(ft, pane, true); err != nil {
		t.Fatalf("DrawAlert => unexpected error: %v", err)
	}
	if rendered := ft.String(); !strings.Contains(rendered, "Warning: data exceeds 500 threshold") {
		t.Fatalf("DrawAlert output = %q, want centered warning", rendered)
	}

	ft = faketerm.MustNew(image.Point{X: 100, Y: 32})
	if err := control.DrawAlert(ft, pane, false); err != nil {
		t.Fatalf("DrawAlert (unfocused) => unexpected error: %v", err)
	}
	if rendered := ft.String(); strings.Contains(rendered, "Warning: data exceeds 500 threshold") {
		t.Fatalf("DrawAlert unfocused output = %q, want no warning", rendered)
	}

	control.UpdateSamples([]int{100, 200, 300})
	if got := control.AlertMessage(); got != "" {
		t.Fatalf("AlertMessage below threshold = %q, want empty", got)
	}
}

func TestAlertControlSetters(t *testing.T) {
	control, err := NewAlertControl(200, 600, 50, 500, nil)